The register
The register lists Umony Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Umony Limited is the registered name (Companies House number 10988562), a private limited company on the register since 2017. The registered office is at 73 Cornhill, London, EC3V 3QQ, EC3V 3QQ. By its SIC codes the business is in it, software and media.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.